Question 1

Which is better, Ultimate Ears Wonderboom 3 or Marshall Stanmore III?

Accepted Answer

Both products scored 8.5/10 in our testing — it's a tie. Choose based on which features matter most to you.

Question 2

Is the Ultimate Ears Wonderboom 3 worth it over the Marshall Stanmore III?

Accepted Answer

The Ultimate Ears Wonderboom 3 scores 8.5/10 while the Marshall Stanmore III scores 8.5/10. The Ultimate Ears Wonderboom 3 is our "Best Overall" pick in the Best Portable Smart Speakers 2026 category.

Ultimate Ears Wonderboom 3 vs Marshall Stanmore III: Which to Buy?